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semaphore: better error message when releasing more than held

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Change-Id: Ibe69007b2d7565a33d9e64ae51142478f495509a
Reviewed-on: https://go-review.googlesource.com/c/sync/+/173377
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Jean de Klerk 2019-04-22 16:11:18 -06:00 • committed by Brad Fitzpatrick
commit 112230192c
1 changed files with 1 additions and 1 deletions
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2
semaphore/semaphore.go
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@ -95,7 +95,7 @@ func (s *Weighted) Release(n int64) {
s.cur -= n
if s.cur < 0 {
s.mu.Unlock()
panic("semaphore: bad release")
panic("semaphore: released more than held")
}
for {
next := s.waiters.Front()